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11112210222020 = 2251936597991981
BaseRepresentation
bin1010000110110100001101…
…0101111100101111000100
31110100022120000222120022022
42201231003111330233010
52424030301304101040
635344513502022312
72224554633265625
oct241550325745704
943308500876268
1011112210222020
1135a4730a80596
1212b5754877998
13627b527c122b
142a5b960d7a4c
151440c283c6b5
hexa1b4357cbc4

11112210222020 has 48 divisors (see below), whose sum is σ = 24570549460800. Its totient is φ = 4209791448960.

The previous prime is 11112210222019. The next prime is 11112210222023. The reversal of 11112210222020 is 2022201221111.

11112210222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11112210222020.

It is not an unprimeable number, because it can be changed into a prime (11112210222023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605571 + ... + 5386410.

It is an arithmetic number, because the mean of its divisors is an integer number (511886447100).

Almost surely, 211112210222020 is an apocalyptic number.

11112210222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112210222020 is an abundant number, since it is smaller than the sum of its proper divisors (13458339238780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112210222020 is a wasteful number, since it uses less digits than its factorization.

11112210222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995668 (or 7995666 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11112210222020 its reverse (2022201221111), we get a palindrome (13134411443131).

Subtracting from 11112210222020 its reverse (2022201221111), we obtain a palindrome (9090009000909).

The spelling of 11112210222020 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3659 7318 14636 18295 36590 69521 73180 139042 278084 347605 695210 1390420 7991981 15983962 31967924 39959905 79919810 151847639 159839620 303695278 607390556 759238195 1518476390 3036952780 29242658479 58485316958 116970633916 146213292395 292426584790 555610511101 584853169580 1111221022202 2222442044404 2778052555505 5556105111010 11112210222020